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____________________ are mounted on top of the cylinder head. They take the up-and-down motion of the pushrod and transfer it to the valve.
Null Hypothesis
A hypothesis in statistics that proposes no significant difference or effect.
Major
An area of academic concentration or specialization that a student commits to during their undergraduate studies, often requiring specific coursework and leading to a degree.
Response
An answer or reaction provided as a reply to a question or action.
Level of Significance
The probability of rejecting the null hypothesis in a statistical test when it is actually true, used as a threshold for determining the statistical significance of results.
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